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Ashika Global Securities Ltd MF2-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

32.69%

decreased by 1.27%

1 Week

33.70%

decreased by 0.26%

1 Month

37.40%

increased by 3.44%

Analysis last updated: Friday, September 11, 2026 at 07:37 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Ashika Global Securities Ltd MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 8, 2013 to Sep 4, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 258 trading days (~1.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 117% more than positive returns

σ

MF2-GARCH Model

Tap to view equation

High persistence: persistence 0.997, shock half-life ~258 daysLeverage: Negative returns increase volatility 117% more than positive returns
ParamValuet-stat
mwindow126
αARCH0.0668
3.50***
βGARCH0.8913
44.41***
γleverage0.0782
3.57***
λ₁tau intercept7.0564
1.44
λ₂forecast adj.0.0000
0.00
λ₃tau persistence0.8689
4.20***

0.997

Persistence

258d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

126
α

ARCH

Response to squared shocks

0.0668
3.50***
β

GARCH

Volatility persistence

0.8913
44.41***
γ

leverage

Additional response to negative shocks

0.0782
3.57***
λ₁

tau intercept

Baseline long-term coefficient

7.0564
1.44
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.8689
4.20***

Persistence:

0.997

Half-life:

258 days